# Christina Yu > Software Engineer | Sigma Computing (hiring!) Location: New York, New York, United States Profile: https://flows.cv/christinayu I love building products and am skilled across the stack. Bringing customer-focus as a former founder, I am excited to develop products that are as delightful as they are effective. ## Work Experience ### Senior Software Engineer @ Sigma Computing (hiring!) Jan 2022 – Present | New York, United States Sigma is an analytics solution with a spreadsheet-like interface that enables anyone to explore data at cloud scale and speed. ### Senior Software Engineer @ Citadel Jan 2019 – Jan 2022 | New York Exploring the intersection between finance and technology. ### Software Engineer II @ PayPal Jan 2018 – Jan 2019 | San Francisco Bay Area Building a convenient and secure online payment solution. Web engineering infrastructure. - Promoted to Software Engineer II (2018) - Recipient of Key Talent Award - Top 2% (2019) ### Co-Founder @ Shippa Jan 2015 – Jan 2016 | New York Shippa is an escrow and logistics service for international shoppers. Launched website, Android and iOS app. ## Education ### Bachelor of Arts (B.A.) Princeton University ## Contact & Social - LinkedIn: https://linkedin.com/in/christinahfyu --- Source: https://flows.cv/christinayu JSON Resume: https://flows.cv/christinayu/resume.json Last updated: 2026-03-22